@misc{indiciae1e896b1f7a85, title = {Geochemical maps showing the distribution and abundance of selected elements in heavy-mineral concentrates from ridgetop soils from the Williams Fork Roadless Area, Clear Creek, Grand, and Summit counties, Colorado}, author = {H. N. Barton}, year = {1985}, doi = {10.3133/mf1588i}, url = {https://pubs.usgs.gov/publication/mf1588I}, note = {Source identifier: mf1588I} }